head to head
vs
Half-Life 2vsMotocross Madness
Half-Life 2 leans Execution (Pure Mechanics); Motocross Madness leans Execution (Pure Mechanics).
Half-Life 2Motocross Madness
Axis by axis
Execution6 vs 7
Motocross Madness leans harder on execution: Throttle, balance and landing control over rough terrain decide races
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization3 vs 3
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.